WordSearch.java

import java.io.*;
import java.util.*;

public class WordSearch{
    private char[][] board;

    public WordSearch(int rows, int cols) {
        board = new char[rows][cols];
        for (int i=0;i<rows;i++) {
         for (int j=0;j<cols;j++) {
                board[i][j]='-';
         }
        }

    }

    public WordSearch() {
        this(20,20);
    }

    public String toString() {
        String s="";
        for (int i=0;i<board.length;i++) {
         for (int j=0;j<board[i].length;j++) {
                s=s+board[i][j];
         }
         s=s+"\n";
        }
        return s;
    }
   
    public boolean addWordH(int row, int col, String word){
	row -= 1;
	col -= 1;
	if (word.length() > 20 - col)
	    return false;
	else{
	    for (int pos = 0; pos < word.length(); pos++){
		if (!("" + board[row][col + pos]).equals("-"))
		    return false;
		else
		    board[row][col + pos] = word.charAt(pos);
	    }
	    return true;
	}
    }

}